<template>
  <div class="edit-div"
    v-html="innerText"
    :contenteditable="canEdit"
    @focus="isLocked = true"
    @blur="isLocked = false"
    @input="changeText">
  </div>
</template>
<script type="text/ecmascript-6">
export default{
  name: 'editDiv',
  props: {
    value: {
      type: String,
      default: ''
    },
    canEdit: {
      type: Boolean,
      default: true
    }
  },
  data () {
    return {
      innerText: this.value,
      isLocked: false
    }
  },
  watch: {
    'value' () {
      if (!this.isLocked || !this.innerText) {
        this.innerText = this.value
      }
    }
  },
  methods: {
    changeText () {
      this.$emit('input', this.$el.innerHTML)
    }
  }
}
</script>
<style lang="less">
.edit-div {
  width: 100%;
  height: 100%;
  overflow: auto;
  word-break: break-all;
  outline: none;
  user-select: text;
  white-space: pre-wrap;
  text-align: left;
  &[contenteditable=true]{
    &:empty:before {
      content: attr(placeholder);
      display: block;
      color: #ccc;
    }
  }
}
</style>
